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Magnesium incorporated bentonite clay for defluoridation of drinking ...

Magnesium incorporated bentonite clay for defluoridation of drinking water - ScienceDirect Journal of Hazardous Materials Volume 180, Issues 1-3, 15 August 2010, Pages 122-130 Magnesium incorporated bentonite clay for defluoridation of drinking water DilipThakrea SadhanaRayalua RajuKawadea SiddharthMeshramb J.Subrtc NitinLabhsetwara

Effects of bentonite clay solids on poliovirus concentration from water ...

Abstract. To determine whether suspended solids interfere with enteric virus recovery from water by microporous filter methods, the effects of bentonite clay solids at a concentration of 10 nephelometric turbidity units on the recovery of poliovirus type 1 from seeded, activated carbon-treated, filtered tap water were studied.

Basics of Clay Minerals and Their Characteristic Properties

Abstract. Clay minerals such as kaolinite, smectite, chlorite, micas are main components of raw materials of clay and formed in presence of water. ... The potentiometric titration used for different types of clay minerals like Colay 90Wyoming bentonite, Na-Montmorillonite and Illite bearing shale whereas surface tension measurement used for ...

Evaluation of The Effectiveness of Local Clay From Ebonyi State ...

ABSTRACT: The present consumption of bentonite in the drilling operations in Nigeria alone ... prepared accordingly by adding 25 g of bentonite/ishiagu clay to 350ml of water. This mud samples were named "mud A" and "mud" B respectively. The bentonite/local clay-to-water ratio .

Clay: Health Benefits, Side Effects, Uses, Dose & Precautions - RxList

This type of clay seems to be safe in doses up to 3 grams daily for 3 months. Clay is POSSIBLY UNSAFE when taken by mouth for a long period of time. Eating clay long-term can cause low levels of potassium and iron. It might also cause lead poisoning, muscle weakness, intestinal blockage, skin sores, or breathing problems.

Assessment of Green Tea-enabled Iron/Calcined Bentonite Nanocomposites ...

Abstract Nano-scale zero valent iron (nZVI) particles are one of the efficient materials for water treatment. ... These results show that Nb2O5 supported on bentonite clay in pellets form ...

Analogize Studies on the Geochemistry of Bentonite Clays of Shaheed ...

Abstract The purpose of this research work was to designate the mineralogical and chemical characterization of the bentonite clay of Shaheed Ghat formation (Ghazij group).Two analytical techniques such as X-ray fluorescence (XRF) and X-ray diffraction (XRD), were applied to describe bentonite clay material from Eastern Sulaiman range (ESR) which comprises of three districts (DG Khan, Musakhel ...

Correction: Reusable bentonite clay: modelling and optimization of ...

Abstract. Correction for 'Reusable bentonite clay: modelling and optimization of hazardous lead and p-nitrophenol adsorption using a response surface methodology approach' by Mohamed Zbair et al., RSC Adv., 2019, 9, 5756-5769.

Fundamental study on the effect of an orientation of clay particles on ...

abstract = "To evaluate the effects of smectite content and the compacted direction of bentonite on the orientation properties of clay particles and diffusive pathway in compacted bentonite, scanning electron microscope (SEM) observations for micropore structure in compacted bentonite and through-diffusion experiments for non-sorptive tritiated water (HTO) were conducted.

Polymers | Free Full-Text | Development and Characterization of ...

Novel composite based on rubber and modified bentonite clay (Clay) was investigated. The modified bentonite clay was developed by dispersing in ethanol solutions (Et-OH) using ultrasonic method. The effect of Et-OH on the dispersion of bentonite clay at various mixing temperatures in case of different type of rubber matrix, i.e., natural rubber (NR), epoxidized natural rubber (ENR25, ENR50) on ...

Base-Activated Sodium Bentonite Clay: Mutated Characteristics and ...

This innovative work deals with the promising behavior of mutated sodium bentonite concerning the elemental, thermal, structural, and morphological study. In this research, commercial sodium bentonite clay has been activated with 4M of sodium hydroxide.

Effect of halloysite nanotubes and organically modified bentonite clay ...

Abstract. The versatility and potential have framed natural rubber (NR) nanocomposites as the focal point in the polymer research field and industry. ... Halloysite nanotube (HNT) and bentonite clay are well-studied potential fillers of polymers. This work is an attempt to study the effect of hybrid filler system of HNT and organically modified ...

Synthesis of bentonite clay based hydroxyapatite nanocomposites cross ...

Abstract. A novel nanocomposite (BT-HAp) was developed by chemical synthesis using hydroxyapatite nanoparticles and bentonite clay and was further applied for toxic lead (Pb) removal from aqueous solution. Three types of bentonite clay based nanocomposites were prepared by varying the pH of the solution (3, 7 and 10) with the addition of ...

Hydration studies of Bentonite clay - NASA/ADS

Bentonite clay when hydrated increases its volume several fold to form a pliable mass. X-ray diffraction showed that as hydration increases, the crystalline peaks due to kaolinite, calcite and quartz are gradually replaced by an amorphous background while the crystalline reflections of montmorillonite remain.

Pore-Scale Modeling of Polymer Clogging in Bentonite-Polymer Composite ...

ABSTRACT. Bentonite-polymer composite geosynthetic clay liners (BPC-GCLs) are used to line containment systems with leachates that are too aggressive for conventional sodium bentonite (NaB) GCLs to maintain low-hydraulic conductivity. Experimental observations indicate that the hydraulic conductivity of BPC-GCLs is affected by the properties of ...

Surfactant-modified bentonite clays: preparation, characterization, and ...

Abstract Bentonite clay was modified using quaternary ammonium cations, viz. phenyltrimethylammonium (PTMA), hexadecyltrimethylammonium (HDTMA), trioctylmethylammonium (TOMA) [100 % of cation exchange capacity of clay], and stearylkonium (SK) [100 % (SK-I) and 250 % (SK-II) of cation exchange capacity of clay].

Clay Minerals (1996) 31,243-252 PREDICT ING THE PROPERTIES OF BENTONITE ...

CiteSeerX - Document Details (Isaac Councill, Lee Giles, Pradeep Teregowda): ABSTRACT: One-dimensional swelling tests and hydraulic conductivity tests have been performed at vertical effective stresses up to 450 kPa on Na-bentonite powder and compacted sand/Na-bentonite mixtures (5, 10 and 20 % bentonite by weight) to investigate he use of bentonite-improved soils for waste containment.

Bentonite Clay Liquid Crystals for High-Performance Supercapacitors

So here, the naturally available bentonite clay is analyzed for its lyotropic liquid crystalline (LLC) properties. It showed liquid crystalline properties at 0.055 g/cm 3 in 0.2 M Na 2 SO 4 solvent. It is characterized by a polarised optical microscope (POM). These LCs are added as an additive electrolyte to the supercapacitors.

Sealing performance of bentonite and bentonite/crushed rock borehole ...

Abstract. This study includes a systematic investigation of the sealing performance of bentonite and bentonite/crushed rock plugs. American C/S granular bentonite and crushed Apache Leap tuff have been mixed to prepare samples for laboratory flow testing. Bentonite weight percent and crushed tuff gradation are the major variables studied.

Evaluation of swelling pressure of bentonite/claystone mixtures from ...

2 days agoThe swelling behaviour of expansive clays is strongly related to the interaction between clay particles. In this paper, a series of constant-volume swelling pressure and mercury intrusion porosimetry (MIP) tests were carried out on MX80 bentonite/Callovo-Oxfordian (COx) claystone mixtures with different bentonite fractions and dry densities. Results show that the swelling pressure increased ...

Effects of bentonite clay solids on poliovirus ... - ResearchGate

Abstract and Figures. ... the effects of bentonite clay solids at a concentration of 10 nephelometric turbidity units on the recovery of poliovirus type 1 from seeded, activated carbon-treated ...

The effects of Bentonite and Calendula on the improvement of infantile ...

Abstract. Background: ... To produce Bentonite 50%, the mineral was squashed and turned into powder, sterilized an oven, mixed with water (50 g Bentonite was mixed with 50 ml of distilled water) and poured in sterile cans and prepared in the form of Bentonite 50% cream in 30 g cans by a pharmacist. ... Rafiei B, Aminimanesh A. Mineralogy of ...

Radiation Attenuation Ability of Bentonite Clay Enriched with ... - SSRN

Abstract. Living cells are protected from ionizing radiation by shielding materials such as lead and concrete. This research aims to develop eco-friendly, low-cost, and non-toxic materials for use as physical radiation shielding materials. ... In this study, Bentonite clay and eggshell powder were chosen to develop alternative materials that ...

ChemInform Abstract: Bentonite K10 Clay, an Efficient Catalyst for the ...

Read "ChemInform Abstract: Bentonite K10 Clay, an Efficient Catalyst for the Formation of Nitrogen Derivatives., ChemInform" on DeepDyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips.

Preparation of Poly(Lactic Acid)/Bentonite Clay Bio-Nanocomposite

Abstract: Recent advances in biodegradable polymers have attracted a great interest not only in traditional areas such as biomedical and pharmaceutical industry, but also in packaging applications, articles and injected membranes. The aim of this work was to produce bio-nanocomposites poly (lactic acid) - PLA with bentonite clay.

Bentonite Clays for Therapeutic Purposes and Biomaterial Design

Abstract Background: Bentonite is a natural clay composed mainly of montmorillonite with other associated minerals such as feldspar, calcite and quartz. Owing to its high cation exchange, large surface area and ability to form thixotropic gels with water and to absorb large quantities of gas, it presents a large medicinal application.

Adsorptive Removal of Reactive Black 5 from Wastewater Using Bentonite ...

The studies of the kinetics and isotherms adsorption of the Reactive Black 5 (RB5) onto bentonite clay were explored in a batch study in a laboratory. The maximum RB5 adsorption conditions of bentonite clay were optimized such as shaking speed (100 rpm), temperature (323 K), pH (10), contact time (40 min), initial dye concentration (170 mg·L−1), and particle size (177 µm). The adsorbent ...

Swelling-shrinkage kinetics of MX80 bentonite - ScienceDirect

Recently, bentonite was proposed as a barrier protection in nuclear waste storage thanks to its very high swelling-shrinkage and water adsorption potentials Pusch, 1992, Al-Tabbaa and Aravinthan, 1998. This makes, the estimation of the swelling-shrinkage potential of expansive clays in the laboratory very important.

Black Seed Oil, Bentonite Clay, and Probiotics: A ... - PubMed

May 29, 2022Black Seed Oil, Bentonite Clay, and Probiotics: A Comprehensive Holistic Cure for Clostridium difficile Infection in a 2-Year-Old Child Case Rep Infect Dis. 2022 May 29;2022:2002488. doi: 10.1155/2022/2002488. eCollection 2022. Authors Emily Littman 1 2, Nicole Winningham 3, Tana B Carson 1 4, Ivette M Hidalgo 5 Affiliations

Evaluation of bentonite clay in modified and ... - IWA Publishing

Jun 10, 2021To make the aluminum modified bentonite sample, 20 g of Al 2 (SO 4) 3 .14H 2 O was dissolved in 100 mL of double-distilled water in a beaker. Then, 60 g of clay mineral was mixed with 900 mL of double ultra-pure water. Using an incubator shaker, the clay solution was slowly applied to the alum solution while constantly stirring for 60 min.

seminarreport-161022180409.pdf - ABSTRACT A geosynthetic clay liner ...

1 ABSTRACT A geosynthetic clay liner (GCL) is a woven fabric-like material, primarily used for the lining of landfills. It is a kind of geomembrane and geosynthetic, which incorporates a bentonite or other clay, which has a very low hydraulic conductivity. The resulting lower permeability slows the rate of seepage out of the landfill. Due to environmental laws, any seepage from landfills must ...

Carbon Dioxide Retention on Bentonite Clay Adsorbents Modified by Mono ...

Abstract: A series of organic-inorganic hybrids were developed via intercalation process of primary, secondary and tertiary ammonium cations into different alkali and alkaline earth and transition metal cation forms of bentonite clay to be used as adsorbent materials for CO 2 capture under ambient temperature and slightly high pressure. The effect of the molar mass of amines on the structural ...

International Journal of Physical Sciences - characterization of ...

An additive which improves sinterability would be especially effective. Bentonite with its high plasticity and reactive surface meets these requirements to a certain extent. Four formulations of the porcelain tableware were prepared in different percentage from 0 to 15 wt.% of calcic bentonite.

Microwave-assisted solid state intercalation of Rhodamine B and ...

Microwave-assisted solid state intercalation of Rhodamine B and polycarbazole in bentonite clay interlayer space: ... Abstract. Intercalation of organic moieties in layered double hydroxides/clays has been used to obtain various hybrid compounds with enhanced properties and wide ranging applications. Most intercalation of organic moieties into ...

Bentonite Abstract - Duncan

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Bentonite Clay Evolution at Elevated Pressures and ... - NASA/ADS

Clinoptilolite present in the starting bentonite mixture is unstable above 150 oC. Hence, the zeolite broke down at high temperatures but recrystallized as the quench event occurred. This was borne out in SEM images that showed clinoptilolite as a very late stage growth mineral.

The adsorption of Cu(II) ions on bentonite—a kinetic study

The kinetics of sorption of Cu 2+ on a Saudi clay mineral (bentonite) was investigated at 20 ± 0.5 ° C using different weights of the clay (0.5, 1.0, 1.5, and 2 g). Each weight represents a certain sample size. The order of the process appeared to be 1 with respect to the Cu 2+, and 1 1 2 with respect to the clay surface area. The rate was found to depend on internal diffusion.,which ...

ABSTRACT THESIS OF - Oregon State University

AN ABSTRACT OF THE THESIS OF Antoine Hanna Sayegh for the Ph. D. in Soils (Name) (Degree) (Major) Date thesis is presented April 8, 1964 Title CHANGES IN LATTICE SPACING OF EXPANDING CLAY MINERALS Abstract approved (Major professor) The expanding and collapsing properties of montmorillonite, beidellite, nontronite, and vermiculite were studied in relation to

Characterization and Application of Bentonite Clay for Lead Ion ...

The maximum adsorption capacity of Bentonite clay was 51.19 mg g -1 at 20°C and 54.62 mg g -1 at 80°C. The thermodynamic parameters such as enthalpy, entropy and Gibes energy were also obtained. The results showed that the adsorption is endothermic and favorable at high temperature s. The kinetics of lead ions on Bentonite clay was determined.

Properties of poly(vinyl alcohol)—Bentonite clay nanocomposite films in ...

Abstract. This study describes an effective way for the preparation of well-dispersed, high-loaded PVA/bentonite nanocomposites with improved properties, based on nanoscale interactions. ... with improved properties, based on nanoscale interactions. To this end, a series of Poly(vinyl alcohol)—bentonite clay nanocomposites have been prepared ...